*{
  margin: 0;
  padding: 0;
  list-style: none;
}
.container{
  width: 1124px;
  margin: 0 auto;
}
.tab{
  width: 1004px;
  border: 1px solid #ccc;
  border-top:3px solid #aaa;
}
li{
  float: left;
  /* line-height: 60px; */
  width: 200px;
  text-align: center;
  font:bold 22px/24px "宋体";
  background-color: #ccc;
  cursor: pointer;
}
.active{
  color: red;
  background-color: #fff;
  border-top:2px solid red;
}
li +li{
  border-left: 1px solid #666;
}
.item{
  display: none;
}
.tab_content{
  width:1000px;
  margin: 0 auto;
}
.item:first-child{
  display: block;
}
img{
  width: 100%;
}
